Plant reservoir



FIG. 1 is a right, side elevational view of the plant reservoir showing my design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front: elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a right side elevational view with the cork removed.

The broken lines shown in the Figures, depict portions of the plant reservoir that form no part of the claimed design. 

CLAIM The ornamental design for a plant reservoir, as shown and described. 